Collins MCP
Mode Control Panel
Climb –
  • Autothrottle holds limit thrust.
  • AFDS holds selected airspeed.
Descent –
  • Autothrottle holds idle thrust.
  • AFDS holds selected airspeed.
Airspeed –
  • If a speed mode is active when LVL CHG is engaged, this
    speed is retained as the target speed.
  • If a speed mode is not active when LVL CHG is engaged,
    existing speed becomes the target speed.
  • Speed can be changed with the MCP IAS/MACH Selector.